McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    38 Products

    Hinged Caps for Screws

    Image of Product. Front orientation. Protective Caps. Hinged Caps for Screws.
    Flip open for frequent access to screws without misplacing the cap. These conceal screw heads to keep out dirt and prevent snags. To install, insert a screw through the base and close the top.
    Polypropylene—Strong, durable, and won't absorb moisture.
    For Screw Size
    Inside
    Ht.
    OD
    Flexibility
    Max. Temp.,
    ° F
    Choose a Color
    Pkg.
    Qty.
    Pkg.
    Polypropylene
    No. 4, No. 5, No. 63/32"15/32"Rigid250
    Black
    ,
    White
    10000000000000000
    No. 6, No. 8, No. 10, M3, M4, M59/64"9/16"Rigid135
    Beige
    ,
    Dark Blue
    ,
    Dark Brown
    ,
    Dark Green
    ,
    Dark Red
    ,
    Light Brown
    ,
    Light Gray
    ,
    Off-White
    ,
    Silver
    10000000000000000
    No. 8, No. 107/64"35/64"Rigid250
    Black
    ,
    White
    10000000000000000
    1/4"
    5/32"45/64"Rigid250
    Black
    ,
    White
    10000000000000000
    3/8"
    19/64"61/64"Rigid250
    Black
    ,
    White
    10000000000000000
     

    Caps for Hex Nuts

    Image of ProductInUse. Cap Installed on Hex Nut. Front orientation. CrossSection view. Protective Caps. Caps for Hex Nuts.

    Cap Installed on Hex

    Nut

    Image of Product. Front orientation. Protective Caps. Caps for Hex Nuts.
    Seal out moisture and dirt to prevent corrosion and buildup on threads. These caps snap onto hex nuts for a tight fit.
    Polyethylene—These tough caps are hard and wear resistant to hold up against scrapes and gouges.
    For Nut
    Wd.
    Inside
    Ht.
    Flexibility
    Max. Temp.,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    Polyethylene
    7/16"29/64"Rigid170Black10000000000000
    1/2"17/32"Rigid170Black1000000000000
    35/64"1/2"Rigid170Black1000000000000
    43/64"25/32"Rigid170Black1000000000000
    3/4"27/32"Rigid170Black10000000000000
    7/8"15/16"Rigid170Black500000000000
    15/16"1"Rigid170Black5000000000000
    1 1/16"1"Rigid170Black500000000000
    1 1/4"1 13/32"Rigid170Black5000000000000
    1 13/32"1 7/16"Rigid170Black5000000000000
    1 5/8"1 23/32"Rigid170Black100000000000
    1 13/16"2"Rigid170Black100000000000
    1 31/32"2 3/32"Rigid170Black1000000000000
    2 3/16"2 19/64"Rigid170Black1000000000000
    2 3/8"2 5/16"Rigid170Black1000000000000
    2 9/16"2 19/64"Rigid170Black1000000000000
    2 3/4"2 29/64"Rigid170Black1000000000000
     

    Snap-On Caps for Screws

    Image of Product. Front orientation. Exploded view. Protective Caps. Snap-On Caps for Screws.
    Conceal screw heads for a finished look that protects people and parts from getting snagged. To install, insert your screw through the base and snap the cap over it. When it's time to remove, use a tool such as a screwdriver to pop it off.
    Polyethylene—These tough caps are hard and wear resistant to hold up against scrapes and gouges.
    For Screw
    Size
    Inside
    Ht.
    OD
    Flexibility
    Max.
    Temp.
    Choose a
    Color
    Pkg.
    Qty.
    Pkg.
    Polyethylene
    No. 4
    1/8"1/2"RigidNot Rated
    Black
    ,
    White
    25000000000000000
    No. 6
    1/8"1/2"RigidNot Rated
    Black
    ,
    White
    2500000000000000
    No. 6, No. 813/64"33/64"RigidNot RatedSilver2500000000000000
    No. 8
    7/32"1/2"RigidNot Rated
    Black
    ,
    White
    2500000000000000
    No. 10
    11/64"23/32"RigidNot RatedBlack250000000000000
    No. 12
    11/64"23/32"RigidNot RatedBlack250000000000000
    1/4"
    5/16"1 3/16"RigidNot Rated
    Black
    ,
    White
    2500000000000000
    5/16"
    5/16"1 3/16"RigidNot Rated
    Black
    ,
    White
    2500000000000000
    3/8"
    5/16"1 3/16"RigidNot Rated
    Black
    ,
    White
    2500000000000000
    7/16"
    5/16"1 3/16"RigidNot Rated
    Black
    ,
    White
    2500000000000000
    1/2"
    5/16"1 3/16"RigidNot Rated
    Black
    ,
    White
    2500000000000000
     

    Caps for Socket Head Screws

    Image of Product. Front orientation. Protective Caps. Caps for Socket Head Screws.
    Cover screw heads to keep debris from clogging or damaging the drive. These caps fit snugly into the hex drive of socket head and button head screws. Push into place and pull to remove.
    Polyethylene—Flexible and impact resistant, these caps take bumps and blows without cracking. They also won't absorb moisture, so they keep their shape in damp environments.
    For Screw
    Size
    Head
    Dia.
    Flexibility
    Max. Temp.,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    Polyethylene
    1/4"
    1/2"Flexible150Semi-Clear White1000000000000000
    5/16"
    0.59"Flexible150Semi-Clear White100000000000000
    3/8"
    0.69"Flexible150Semi-Clear White100000000000000
    1/2"
    0.88"Flexible150Semi-Clear White100000000000000
     
    back to top